Dell PowerVault MD3260 Administrator's Guide - Page 86

Suspending The Media Scan, Change Media Scan Settings

Page 86 highlights

The media scan duration specifies the number of days for which the media scan runs on the selected virtual disks. 5. To disable media scans on an individual virtual disk, select the virtual disk in the Select virtual disks to scan area, and deselect Scan selected virtual disks. 6. To enable media scans on an individual virtual disk, select the virtual disk in the Select virtual disks to scan area, and select Scan selected virtual disks. 7. To enable or disable the consistency check, select either With consistency check or Without consistency check. NOTE: A consistency check scans the data blocks in a RAID Level 5 virtual disk, or a RAID Level 6 virtual disk and checks the consistency information for each block. A consistency check compares data blocks on RAID Level 1 mirrored physical disks. RAID Level 0 virtual disks have no data consistency. 8. Click OK. Suspending The Media Scan You cannot perform a media scan while performing another long-running operation on the disk drive such as reconstruction, copy-back, reconfiguration, virtual disk initialization, or immediate availability formatting. If you want to perform another long-running operation, you should suspend the media scan. NOTE: A background media scan is the lowest priority of the long-running operations. To suspend a media scan: 1. In the AMW, select the Storage & Copy Services tab and select any virtual disk. 2. From the menu bar, select Storage → Virtual Disk → Change → Media Scan Settings. The Change Media Scan Settings window is displayed. 3. Select Suspend media scan. NOTE: This applies to all the virtual disks on the disk group. 4. Click OK. 86

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The media scan duration specifies the number of days for which the media scan runs on the selected virtual disks.
5.
To disable media scans on an individual virtual disk, select the virtual disk in the
Select virtual disks to scan
area,
and deselect
Scan selected virtual disks
.
6.
To enable media scans on an individual virtual disk, select the virtual disk in the
Select virtual disks to scan
area,
and select
Scan selected virtual disks
.
7.
To enable or disable the consistency check, select either
With consistency check
or
Without consistency check
.
NOTE:
A consistency check scans the data blocks in a RAID Level 5 virtual disk, or a RAID Level 6 virtual disk
and checks the consistency information for each block. A consistency check compares data blocks on RAID
Level 1 mirrored physical disks. RAID Level 0 virtual disks have no data consistency.
8.
Click
OK
.
Suspending The Media Scan
You cannot perform a media scan while performing another long-running operation on the disk drive such as
reconstruction, copy-back, reconfiguration, virtual disk initialization, or immediate availability formatting. If you want to
perform another long-running operation, you should suspend the media scan.
NOTE:
A background media scan is the lowest priority of the long-running operations.
To suspend a media scan:
1.
In the AMW, select the
Storage & Copy Services
tab and select any virtual disk.
2.
From the menu bar, select
Storage
Virtual Disk
Change
Media Scan Settings.
The
Change Media Scan Settings
window is displayed.
3.
Select
Suspend media scan
.
NOTE:
This applies to all the virtual disks on the disk group.
4.
Click
OK
.
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